Williamsite and Tourmaline Physical Properties

Williamsite and Tourmaline Chemical Formula

While comparing Williamsite and Tourmaline physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Williamsite and Tourmaline chemical formula.

• Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Williamsite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Williamsite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Williamsite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Williamsite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.